and in january of 2009, president george w. bush went to jerusalem and made a statement that summarized our policy and made the point valid which other presidents had made, including president obama, is that the israelis have a very successful state. but they don't have security for their people. they're entitled to it. the palestinians don't have a state and they want one. the only way each can get what it wants, is if the other also gets what it wants. in other words, they should be mutually vested in each other's success, in those objectives. >> president obama sent you to the middle east in 2009 following a similar armed conflict between israel and hamas. here we are, three careers later, at the end of another conflict between israel and hamas. what if anything in that region has changed since your visit in 20091. >> well the possibility of a two-state solution is more difficult now than it was then. it was very difficult then. the israelis and the palestinian authority. and it's ironic because both israel and the palestini